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Finding the Fourth Proportional to 649,415.03, 896,220.44 and 362,935.11

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Solution

The fourth proportional to 649,415.03, 896,220.44 and 362,935.11 is: 500,865.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,415.03 : 896,220.44 = 362,935.11 : x
  2. Step 2: Convert to fraction form
    649,415.03/896,220.44 = 362,935.11/x
  3. Step 3: Cross multiply
    649,415.03x = 896,220.44 × 362,935.11
  4. Step 4: Simplify right side
    649,415.03x = 325,269,865,521.80
  5. Step 5: Solve for x
    x = 325,269,865,521.80/649,415.03
  6. Step 6: Final answer
    x = 500,865.93

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.